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5.1.9. Check of fuel system


In the course of diagnostics at detection of malfunctions each code of system corresponds to a certain element of system.

Reading of codes of malfunctions

Code
Malfunction
System of injection Motronic 5.1.1
11
Malfunctions are not found
12
Malfunction installation
13
The sensor of temperature of the soaked-up air
14
Sensor of temperature of cooling liquid
15
Relay of the fuel pump
21
The sensor of provision of a potentiometer of a butterfly valve – free contact
31
Free
32
Mix adjustment
33
The valve of the solenoid of the coal filter – damage of a circulation
34
Valve of the solenoid of the coal filter
35
Sensor of extreme provision of a butterfly valve
41
RPM meter of the engine and position of the crankshaft
42
Nozzles
43
Detonation sensor
44
The detonation sensor – another
51
Lambda sensor
52
Regulation of composition of mix
53
Accumulator tension
54
ECU block relay
56
Immobilizer
71
Check of injection of the cylinder No. 1
72
Check of injection of the cylinder No. 2
73
Check of injection of the cylinder No. 3
74
Check of injection of the cylinder No. 4
System of injection Magneti Marelli 8P
11
Malfunctions are not found
12
Installation of malfunctions
13
The sensor of temperature of the soaked-up air
14
Sensor of temperature of cooling liquid
15
Relay of the fuel pump
21
Sensor of provision of a butterfly valve
22
Engine of management of idling turns
27
Car speed sensor
31
Lambda sensor
33
Pressure sensor in an inlet collector
34
Valve of the solenoid of the coal filter
41
RPM meter of the engine and position of the crankshaft
42
Injector
44
Detonation sensor
45
Ignition coil
52
Lambda sensor
53
Accumulator tension
54
ECU block
57
Ignition coil

Check

PERFORMANCE ORDER
1. Check reliability of connection of wires and lack of corrosion.
2. Check a condition of the air filter and spark plugs. Check compression pressure in engine cylinders.
3. If the elementary check did not possible to find a cause of defect, it can be written down in memory of the ECU system.
4. For definition of malfunction it is necessary to connect the special diagnostic equipment to the ECU system.